What question did this study set out to answer?

The aim is to understand how thermal sensitivity of nuclear pore complexes contributes to early heat-induced cell death.

April 22, 2026Open Access

Thermal sensitivity of nuclear pore complexes as a potential early driver of heat-induced cell death

Puntos clave

The aim is to understand how thermal sensitivity of nuclear pore complexes contributes to early heat-induced cell death.
Assessed nuclear compartmentalization during heat exposure.
Evaluated the impact of nuclear pore complex damage on cell recovery.
Loss of nuclear compartmentalization occurs early and is irreversible during heat exposure.
Irreversible damage to nuclear pore complexes severely limits the ability of cells to recover.

Resumen

These observations indicate that loss of nuclear compartmentalization is an early, irreversible event in heat-induced cell death. Because nuclear pore complex (NPC)-mediated selective macromolecular transport is indispensable for cell survival, irreversible NPC damage appears to severely limit cellular recovery. Irreversible impairment of NPC selectivity is therefore proposed as the most parsimonious explanation for observed heat-induced nuclear leakiness.

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